Drinking tube for a drink container



FIG. 1 is a side elevation of a drinking tube for a drink container showing my new design;

FIG. 2 is a rear elevation thereof; and,

FIG. 3 is a top plan view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a drinking tube for a drink container, as shown and described. 